<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <script src="./Promise.js"></script>
    </head>
    <body>
        <script> 
            let p = Promise.resolve(new Promise((resolve, reject) => {
                setTimeout(() => {
                    resolve('123');
                }, 2000)
            }));

            console.log(p);

            // let p = Promise.reject('出问题啦!!');
            // let p = Promise.reject(Promise.resolve('ok'));


        </script>
    </body>
</html>
